Worcester Greenstar i Series User Manual

APPLIANCE INFORMATION
6 720 804 532 (2012/09)8
Fig. 2 Hydraulic block components
1Expansion Vessel 23 Hydraulic block mounting plate
2 Sensor - Boiler flow 24 Left side hand-hold for lifting boiler
3 Removable panel - for servicing 25 Gas valve
4Electrode assembly 26 Flue air pressure switch connection (not used)
5 Overheat thermostat 27 Fan
6 Securing nut - Air/Gas manifold clamp 28 Manual vent point
7 Silicon tube - heat exchanger air vent 29 Fan pressure test point
8 Heat exchanger 30 Air/Gas manifold
9 Flue over heat thermostat 31 Compact hydraulic - left mounting point
10 Access panel - Heat exchanger/sump cleaning 32 Flow connector from heat exchanger
11 Right side hand-hold for lifting boiler 33 Expansion vessel hose connection point
12 Diverter valve assembly (body) 34 Auto air vent
13 Diverter valve actuator (stepper motor blank) 35 Return connection to heat exchanger
14 Pump 36 Flow turbine housing (not used on i System)
15 Drain point 37 Unused port
16 Central Heating (CH) return isolator 38 Compact hydraulic - right mounting point
17 System pressure gauge 39 Pressure relief valve
18 Control panel (in service position) 40 CH return connection to service valve
19 Cover - external wiring connections 41 Internal by-pass
20 Cover - PCB 42 CH flow connection to service valve
21 Gas inlet connection 22 mm 43 Pressure gauge connection point
22 Central Heating (CH) flow isolator
Table 5 Boiler components
6720804532-04.1Wo
31 32 23 3433 35 36
37
38
39
43
42
12
41 15 40
14
13

Worcester Greenstar i Series Specifications

General

Model	Greenstar i Series
Mounting	Wall-mounted
Maximum Working Pressure	3 bar
Fuel Type	Natural Gas
Dimensions	400mm (W)
Warranty	Up to 10 years
Efficiency	Up to 94%
Heating Flow Temperature Range	30°C to 80°C
Output Rating	35kW